Satoshi Nakamoto

The pseudonym of the inventor of the bitcoin, whose real identity is unknown, despite rife speculation.


A computer connected to the network that uses a program to distribute transactions.


Persons (individuals or companies) who connect one or more machines to the network for mining purposes. Each miner is compensated in proportion to the processing power they add to the network.


Using computer processing power to handle transactions, secure the network and allow all the users of the system to remain synchronised.


A transaction of a few cents. In conventional circuits, for example banks, mircotransactions are too costly, because the costs are greater than the value of the transaction. The blockchain offers a solution to this problem.


An electronic, peer-to-peer currency that uses cryptographic principles to confirm transactions and to produce the currency itself.

Public key*

A key used as an address on a blockchain. Public keys are known to everyone and can be used to designate a recipient.

Private key*

A key that enables blockchain users to initiate a transaction with a cryptographic signature of their message

* Definitions taken from « The Blockchain Lexicon »